15409340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3911}}^1$

素因数の和:4117

約数の個数: 24

約数和(自身を含む): 32532192

約数和(自身を除く): 17122852

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3911, 3940, 7822, 15644, 19555, 39110, 78220, 770467, 1540934, 3081868, 3852335, 7704670, 15409340]

約数ペア:

[(1, 15409340), (2, 7704670), (4, 3852335), (5, 3081868), (10, 1540934), (20, 770467), (197, 78220), (394, 39110), (788, 19555), (985, 15644), (1970, 7822), (3911, 3940)]